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Lesser-Known Hollywood Siblings

19 of 50

Antonia Kidman

Famous sibling: Nicole Kidman

Good genes must run in the Kidman family, which produced Nicole and her little sister Antonia, who is a Singapore-based journalist. —XFINITY Entertainment Staff (Photo: Lisa Maree Williams/Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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